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Incident #: WIF-180227 Fire Start: 7 months ago Location: 5.7 miles SSW of Blue River, OR Acres: 11,555 Agency: Eugene Interagency Communication Center (OR-EIC) Dispatch Notes: Firestat # 040
Fire Growth Potential
Updated: 2 weeks ago — The Terwilliger Fire was reported on August 19, 2018, around 3:21pm located approximately approximately five miles southeast of Blue River, Oregon. Oregon Department of Forestry, US Forest Service fire crews and local landowners responded to suppress the fast moving fire. Following extended initial attack efforts, additional personnel and equipment were ordered. An incident management team was requested to help manage the growing fire. The fire surrounds the Cougar Reservoir and numerous recreation sites and prompted the Willamette National Forest to implement the Terwilliger Area Closure for public safety. The Terwilliger Fire remains within the boundaries of the McKenzie Ranger District, Willamette National Forest, including the Three Sisters Wilderness. The fire is being managed as a full suppression fire.
McKenzie River Ranger Station Phone: 541-822-3381
Fire Unit Information
Willamette National Forest U.S. Forest Service 3106 Pierce Parkway Springfield, OR 97477
Date of Origin
Sunday August 19th, 2018 approx. 03:21 PM
5 Miles SE of Blue River
Jerry Van Dyne, Southern Cascades Interagency Incident Management Team
44.084 latitude, -122.238 longitude
Estimated Containment Date
Wednesday October 31st, 2018 approx. 10:00 AM
Closed Timber Litter hardwood litter Timber (litter and understory)
The fuels in the fire area consist of timber with understory of dead woody fuels, which are the primary carriers of surface fire. Heavy downed woody fuels are very dry due to the extreme drought. Resistance to control is very high due to steep slopes, deep canyons, large snags, deep duff, and heavy downed woody fuels in many areas. Lichen in the trees are a primary source of tree torching when fine fuels are dry.
Minimal: Backing Creeping Smoldering
Narrative: Fire behavior continues to be minimal. Fire spread is mainly through creeping and backing. Low flame lengths continue to consume heavy fuels. Torching has not been observed,but has the potential as the moss/lichen component dries out and becomes available fuel. Burning debris is still available to roll/skid down hill and deliver embers over the line. Fire in most divisions is limited to the heavy fuels (1000 & 10,000 hr.),snags and duff/ground fuels.
Continue patrol and mop-up in Div A/D/Z. Div P is prepped and ready if the fire crosses the south fork of the McKenzie river to implement a firing operation to hold FS road 1993. Additional felling teams have been brought in to work on hazard tree mitigation and removal along the 500 road.
Projected Incident Activity
12 hours: Sunny, with a high near 60-65. Humidity 33-38%. Winds East 8-13 mph with gusts to 25 mph. 24 hours: Friday - Sunny, Temperatures to 69, Humidity 31% Winds East 4-8 mph. 48 hours: Saturday - Clear highs to 71 East winds 5-8 mph. Humidity 31%. 72 hours: Sunday -Sunny, with a high near 71.Humidity 27% Winds East 12-18 mph with gusts to 25 mph
16 pieces of heavy equipment, 1 type 2 IA hand crew, 4 engines, and 1 ambulance.